Python - getpass - pexpect/expect

#-------------------------------
# poc.py
#-------------------------------

#!/usr/bin/env python3

import getpass

normal = input('Normal input: ')
hidden = getpass.getpass('Hidden input: ')
print('Normal is {0}'.format(normal))
print('Hidden is {0}'.format(hidden))

#-------------------------------
# poc-test.py
#-------------------------------

#!/usr/bin/env python3

import pexpect

child = pexpect.spawn('python3 poc.py')

#child.expect('Normal input: ')
child.sendline('Hello')

#child.expect('Hidden input: ')
child.sendline('World')

for line in child.readlines():
    print(line.decode('utf-8'), end='')

#-------------------------------
# poc.exp
#-------------------------------

#!/usr/bin/expect -df

set timeout -1
spawn ./poc.py

## normal
send -- "NORMAL\r"

## hidden
sleep 0.05 # getpass needs some time - 0.04 doesn't work
send -- "HIDDEN\r"

expect eof